<?php

/**
 * This is the model class for table "inventory".
 *
 * The followings are the available columns in table 'inventory':
 * @property integer $id
 * @property string $name
 * @property integer $stoke
 * @property integer $price
 * @property integer $obsolute
 *
 * The followings are the available model relations:
 * @property Purchase[] $purchases
 * @property ServiceTools[] $serviceTools
 * @property ServiceToolsUsed[] $serviceToolsUseds
 */
class Inventory extends CActiveRecord
{
	/**
	 * @return string the associated database table name
	 */
	public function tableName()
	{
		return 'inventory';
	}

	/**
	 * @return array validation rules for model attributes.
	 */
	public function rules()
	{
		// NOTE: you should only define rules for those attributes that
		// will receive user inputs.
		return array(
			
			array('stoke, price, obsolute', 'numerical', 'integerOnly'=>true),
			array('name', 'length', 'max'=>255),
			// The following rule is used by search().
			// @todo Please remove those attributes that should not be searched.
			array('id, name, stoke, price, obsolute', 'safe', 'on'=>'search'),
		);
	}

	/**
	 * @return array relational rules.
	 */
	public function relations()
	{
		// NOTE: you may need to adjust the relation name and the related
		// class name for the relations automatically generated below.
		return array(
			'purchases' => array(self::HAS_MANY, 'Purchase', 'item_id'),
			'serviceTools' => array(self::HAS_MANY, 'ServiceTools', 'item_id'),
			'serviceToolsUseds' => array(self::HAS_MANY, 'ServiceToolsUsed', 'item_id'),
		);
	}

	/**
	 * @return array customized attribute labels (name=>label)
	 */
	public function attributeLabels()
	{
		return array(
			'id' => 'ID',
			'name' => 'Name',
			'stoke' => 'Stoke',
			'price' => 'Price',
			'obsolute' => 'Obsolute',
		);
	}

	/**
	 * Retrieves a list of models based on the current search/filter conditions.
	 *
	 * Typical usecase:
	 * - Initialize the model fields with values from filter form.
	 * - Execute this method to get CActiveDataProvider instance which will filter
	 * models according to data in model fields.
	 * - Pass data provider to CGridView, CListView or any similar widget.
	 *
	 * @return CActiveDataProvider the data provider that can return the models
	 * based on the search/filter conditions.
	 */
	public function search()
	{
		// @todo Please modify the following code to remove attributes that should not be searched.

		$criteria=new CDbCriteria;

		$criteria->compare('id',$this->id);
		$criteria->compare('name',$this->name,true);
		$criteria->compare('stoke',$this->stoke);
		$criteria->compare('price',$this->price);
		$criteria->compare('obsolute',$this->obsolute);

		return new CActiveDataProvider($this, array(
			'criteria'=>$criteria,
		));
	}
        public static function getItemsByNameForAutoComplete($name,$limit){
            $sql= 'SELECT id ,name AS label FROM inventory WHERE name LIKE :name';
        $name = $name.'%';
        return Yii::app()->db->createCommand($sql)->queryAll(true,array(':name'=>$name));
        }
        public static function  getItemById($id){
            return Inventory::model()->findByPk($id);
        }
        public static function makeSale($id,$count){
            $item=  Inventory::getItemById($id);
            if($item->stoke-$count>=0){
                $item->stoke=$item->stoke-$count;
                $item->update();
            }else{
                throw new Exception($item->name." is out of stock");
            }
        }

        /**
	 * Returns the static model of the specified AR class.
	 * Please note that you should have this exact method in all your CActiveRecord descendants!
	 * @param string $className active record class name.
	 * @return Inventory the static model class
	 */
	public static function model($className=__CLASS__)
	{
		return parent::model($className);
	}
}
